Need to drive 4 rgb leds, but have only 1 pin available...

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  1. - 31st January 2020, 23:22 #1
    pedja089's Avatar
    pedja089
    pedja089 is offline Senior Member
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    Default Re: Need to drive 4 rgb leds, but have only 1 pin available...

    You missed the point...
    Use same RC circuit to drive APA LED. Apa have Data and Clock pin and you have one pin free.
  2. - 1st February 2020, 12:39 #2
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    towlerg
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    Default Re: Need to drive 4 rgb leds, but have only 1 pin available...

    Out of the box. A small PIC device running the 4 LEDs and reading a 2 bit serial pattern with a longish pause to sync.
    George
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